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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12603) TestSymlinkLocalFSFileContext#testSetTimesSymlinkToDir occasionally fail
Date Fri, 04 Dec 2015 17:27:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15041807#comment-15041807
] 

Steve Loughran commented on HADOOP-12603:
-----------------------------------------

This test is really that the file:// FS handles atime too, especially on windows. It just
looks like atime is so inconsistent for symlinks that we should really think about abandoning
the test.

certainly, if I tried to run the test on my dev linux VM, it would fail with noatime.

If it makes you feel better, I've discovered yesterday that HDFS rename() sets the modtime,
but POSIX doesn't...

> TestSymlinkLocalFSFileContext#testSetTimesSymlinkToDir occasionally fail
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-12603
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12603
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>              Labels: solaris, windows
>         Attachments: HADOOP-12603.001.patch, HADOOP-12603.002.patch
>
>
> I have observed this test failure a few times in the past. When it fails, the expected
access time (of the file link) is always 1000 less than the actual access time.
> Error Message
> {noformat}
> expected:<1448478654000> but was:<1448478655000>
> {noformat}
> Stacktrace
> {noformat}
> java.lang.AssertionError: expected:<1448478654000> but was:<1448478655000>
> 	at org.junit.Assert.fail(Assert.java:88)
> 	at org.junit.Assert.failNotEquals(Assert.java:743)
> 	at org.junit.Assert.assertEquals(Assert.java:118)
> 	at org.junit.Assert.assertEquals(Assert.java:555)
> 	at org.junit.Assert.assertEquals(Assert.java:542)
> 	at org.apache.hadoop.fs.SymlinkBaseTest.testSetTimesSymlinkToDir(SymlinkBaseTest.java:1391)
> 	at org.apache.hadoop.fs.TestSymlinkLocalFS.testSetTimesSymlinkToDir(TestSymlinkLocalFS.java:233)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> {noformat}
> Standard Output
> {noformat}
> 2015-11-25 19:10:55,231 WARN  fs.FileUtil (FileUtil.java:symLink(813)) - Command 'ln
-s /testptch/hadoop/hadoop-common-project/hadoop-common/target/test/data/4/vae1ng5t75/test1/file
/testptch/hadoop/hadoop-common-project/hadoop-common/target/test/data/4/vae1ng5t75/test2/linkToFile'
failed 1 with: ln: failed to create symbolic link '/testptch/hadoop/hadoop-common-project/hadoop-common/target/test/data/4/vae1ng5t75/test2/linkToFile':
No such file or directory
> 2015-11-25 19:10:56,212 WARN  fs.FileUtil (FileUtil.java:symLink(813)) - Command 'ln
-s /testptch/hadoop/hadoop-common-project/hadoop-common/target/test/data/4/vae1ng5t75/test1/file
/testptch/hadoop/hadoop-common-project/hadoop-common/target/test/data/4/vae1ng5t75/test1/linkToFile'
failed 1 with: ln: failed to create symbolic link '/testptch/hadoop/hadoop-common-project/hadoop-common/target/test/data/4/vae1ng5t75/test1/linkToFile':
File exists
> {noformat}



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